Cervical arthroplasty in two dogs with disk-associated cervical spondylomyelopathy

Adamo, P. Filippo

doi:10.2460/javma.239.6.808

Cited by 22 publications

(25 citation statements)

References 40 publications

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“…There is no clear consensus for the treatment of CSM with both medical and surgical techniques described . Indirect decompressive techniques which involve vertebral distraction and stabilisation have been extensively documented and are currently indicated when the spinal cord compression is considered clinical and dynamic …”

mentioning

confidence: 99%

“…The goal of distraction‐stabilisation techniques is to restore the intervertebral disc and foraminal width and to stabilise the vertebral segment to prevent ongoing dynamic concussive injury to the spinal cord . Techniques described include polymethylmethacrylate (PMMA) plug, screw and washer, screw/pins and PMMA, ventrally applied locking plate, distractible intervertebral cage, cervical arthroplasty/Adamo disc, and a combination of an intervertebral cage, spacer screws, cortical allograft or cancellous graft, with a ventrally applied locking plate …”

mentioning

confidence: 99%

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Surgical management and long‐term outcome of dogs with cervical spondylomyelopathy with an anchored intervertebral titanium device

Jc¹,

Corfield²,

Jg³

et al. 2020

Aust Veterinary J

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Objective To assess the short-and long-term outcome of an anchored intervertebral titanium device (C-LOX) for the treatment of 10 dogs with disc-associated cervical spondylomyelopathy (DACSM) and 1 dog with osseous-associated cervical spondylomyelopathy.Design Retrospective case series.Methods Dogs were included if they were diagnosed with either DACSM or osseous-associated cervical spondylomyelopathy via myelography with or without advanced imaging and underwent surgical distraction and stabilisation of the affected intervertebral disc with a C-LOX implant. Assessment included shortterm neurological outcome, radiography immediately and 6 weeks' postsurgery, owner questionnaire and veterinary clinical assessment.Results The mean follow-up time was 12 months. Improvement in neurological status was noted in 10 of 11 dogs. Screw loosening or subsidence occurred in five dogs. Revision surgery was performed in two dogs due to implant fracture (n = 1) and recurrence of spinal cord compression due to endplate subsidence around the implant (n = 1). Adjacent segment disease occurred in three dogs (30%) with DACSM at a mean of 11 months postsurgery. ConclusionThe use of the C-LOX implant for dogs with cervical spondylomyelopathy resulted in a high rate of initial neurological improvement; however, there is a moderate incidence of minor and major complications that is comparable to previously described distraction-stabilisation techniques.

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confidence: 99%

mentioning

confidence: 99%

Surgical management and long‐term outcome of dogs with cervical spondylomyelopathy with an anchored intervertebral titanium device

Jc¹,

Corfield²,

Jg³

et al. 2020

Aust Veterinary J

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“…9 The amount of endplate cartilage and bony removal varies between spacer techniques used in dogs and might be associated with subsidence. 8,9,12 Indeed, cage subsidence may result in partial loss of distraction in dogs although it was not found to consistently elicit clinical signs. 9 In people, excessive subsidence has however been described to cause adverse effects, such as segmental kyphosis, foraminal stenosis with recurrent radiculopathy, and neck pain.…”

Section: Discussionmentioning

confidence: 97%

“…In people, it is also related to bone density and the extent of surgical endplate damage with possible subsidence or cage migration into the adjacent vertebral body . The amount of endplate cartilage and bony removal varies between spacer techniques used in dogs and might be associated with subsidence . Indeed, cage subsidence may result in partial loss of distraction in dogs although it was not found to consistently elicit clinical signs .…”

Section: Discussionmentioning

confidence: 99%

Comparison of the biomechanical properties of a ventral cervical intervertebral anchored fusion device with locking plate fixation applied to cadaveric canine cervical spines

et al. 2013

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“…However, in veterinary surgery cervical arthroplasty is still in its infancy. There is one report describing the successful use of cervical disk prosthesis in two Dobermans with disk associated cervical spondylomyelopathy (Adamo, 2011). However, studies that include large number of canine patients and long-term follow-up are necessary to investigate the potential beneficial effects of this technique.…”

Section: Conservative (Non-surgical) Treatmentmentioning

confidence: 99%

Cervical spondylomyelopathy in dogs

Μουζακιτησ)

Kazakos

Patsikas

et al. 2017

J Hellenic Vet Med Soc

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ABSTRACT. Cervical spondylomyelopathy (CSM) is the most common disease of the cervical spine in large and giant breed dogs. Its exact aetiology is not known and the relevant pathophysiology is not clear; two clinical entities are currently recognised: disc-associated and osseous-associated spinal cord compression. History and clinical signs are indicative of cervical spondylomyelopathy, although its neurologic manifestation can vary from cervical pain only to tetraparesis and respiratory compromise. Imaging of the spine is fundamental for definitive diagnosis and includes radiography, myelography, computed tomography and magnetic resonance imaging. It is also the cornerstone of surgical planning. This is usually based on the subjective concept of dynamic or static compressive lesions. Among the advanced imaging techniques, magnetic resonance imaging is superior to myelography for diagnosis of cervical spondylomyelopathy, although, at present, these techniques can be considered complementary. Furthermore, attention is drawn to the false positive interpretations of magnetic resonance findings, which are related to clinically irrelevant spinal cord compression. Hence, the degree of agreement between neuroanatomic localization and neuroimaging is of the outmost importance. Conservative treatment consists of strict restriction of the animal and the use of steroid or non-steroid anti-inflammatory drugs. Objective of surgical treatment is to decompress the spinal cord. However, the decision-making process of surgical treatment is more complicated, because a large number of different surgical techniques have been proposed. Adjacent segment disease is a controversial complication of the surgical treatment of disk-associated cervical spondylomyelopathy and recently introduced motion-preserving techniques are targeted on reducing its occurrence. Significant prognostic information for focal parenchymal damage may derive from magnetic resonance imaging studies, but this remains to be further clarified.

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Cervical arthroplasty in two dogs with disk-associated cervical spondylomyelopathy

Abstract: Cervical arthroplasty was well tolerated with no complications, and outcome was excellent in both dogs; prosthesis presence did not affect ability to reassess the area via MRI. Studies of cervical arthroplasty in dogs with disk-associated cervical spondylomyelopathy are warranted.

Cited by 22 publications

References 40 publications

Surgical management and long‐term outcome of dogs with cervical spondylomyelopathy with an anchored intervertebral titanium device

Surgical management and long‐term outcome of dogs with cervical spondylomyelopathy with an anchored intervertebral titanium device

Comparison of the biomechanical properties of a ventral cervical intervertebral anchored fusion device with locking plate fixation applied to cadaveric canine cervical spines

Cervical spondylomyelopathy in dogs

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